66221200

素因数分解:

$2^4\times 5^2\times {\mathrm{165553}}^1$

素因数の和:165571

約数の個数: 30

約数和(自身を含む): 159097394

約数和(自身を除く): 92876194

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 165553, 331106, 662212, 827765, 1324424, 1655530, 2648848, 3311060, 4138825, 6622120, 8277650, 13244240, 16555300, 33110600, 66221200]

約数ペア:

[(1, 66221200), (2, 33110600), (4, 16555300), (5, 13244240), (8, 8277650), (10, 6622120), (16, 4138825), (20, 3311060), (25, 2648848), (40, 1655530), (50, 1324424), (80, 827765), (100, 662212), (200, 331106), (400, 165553)]